package com.atguigu.gmall.item.config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

//统一配置线程池，以控制线程资源
@Configuration
public class ThreadPoolConfig {
    @Bean
    public ExecutorService executorService(
            @Value("${threadPool.corePoolSize}")Integer corePoolSize,
            @Value("${threadPool.maximumPoolSize}")Integer maximumPoolSize,
            @Value("${threadPool.keepAliveTime}")Integer keepAliveTime,
            @Value("${threadPool.workQueueSize}")Integer workQueueSize
    ){
        return new ThreadPoolExecutor(corePoolSize,maximumPoolSize,
                keepAliveTime, TimeUnit.SECONDS,new ArrayBlockingQueue<>(workQueueSize));
    }
}
